major histocompatibility complex - A structure of proteins that are determines by 20 genes in your DNA
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15
What prevents lymph from flowing backwards in the lymph vessels?
valves
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20
What do the different regions of the antibody do?
variable region binds to antigens, The constant region determines the class of the antibody which identifies the method it will use to fight the antigen
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baam
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star
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shark
Other team loses 15 points!
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lifesaver
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20
Identify f and g, and give their function.
f. trabeculae â structure, support, g. efferent lymph vessel - Lymph vessels that carry lymph away from a lymph node
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15
How does a vaccine work?
a dead or weakened pathogen is put in your body to cause an immune response. Your immune system remembers it and can quickly fight it if you are exposed again
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20
What are viruses?
A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism.
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20
What is interferon?
a protein released by cells, in response to the entry of a virus, which has the property of inhibiting virus replication.& telling neighbor cells to strengthen
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lifesaver
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gift
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shark
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baam
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20
What is complement??
It is a first line of defense. series of 30 proteins that are activated by foreign invaders. they lyse bacteria, phagocytosis and inflamation
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monster
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gold
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fairy
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thief
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heart
Other team wins 25 points!
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magnet
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rocket
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banana
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20
What are the three functions of the spleen?
It filters blood (not lymph), filters out worn out RBCs, stores oxygen rich blood.As it is filtered, foreign invaders stimulate a response from the lymph system
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15
What is acquired immunity?
An immune response targeted at a specific pathogen or toxin
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20
What is the difference between Plasma B cells and memory B cells?
Plasma B cells produce and release antibodies, whereas Memory B cells remember the infection so they can respond quicker the next time
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25
Identify a and b, and tell their function
a. lymph valve â prevents back flow of lymph,b.afferent lymph vessels-vessels that carry lymph to a lymph node